string javascript concatenation

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Breakable Barracuda answered on January 5, 2020 Popularity 10/10 Helpfulness 2/10

answer string javascript concatenation

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string javascript concatenation

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    var dest = new String("");
    var src = new String("aze");
    var ar = new Array();
    ...
    ar.push(src);
    ar.push(src);
    ...
    dest = ar.join("");

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Source: b-le-roux.developpez.com

Tags: concatenation javascript string

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Contributed on Sep 28 2020

Breakable Barracuda

0 Answers Avg Quality 2/10

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how to concatenate strings javascript

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var str1 = "Hello ";
var str2 = "world!";
var res = str1.concat(str2);
// does not change the existing strings, but
// returns a new string containing the text
// of the joined strings.

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Jan 05 2020

Misty Mandrill

0 Answers Avg Quality 2/10

string concatenation in js

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var str1 = "Hello ";
var str2 = "world!";
var res = str1.concat(str2);
console.log(res);

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Apr 28 2020

JavascriptNinja

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javascript concatenation syntax

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var str = 'Hello' + ' ' + 'world!'; // str = 'Hello world!'
// a comma ',' is the default delimiter for array.join 
var str = ['Hello',' ','world!'].join();   // str = 'Hello, ,world!'
var str = ['Hello',' ','world!'].join(''); // str = 'Hello world!'

var str1 = 'Hello';
var str2 = str1.concat(' ','world!');  // str1 = 'Hello', str2 = 'Hello world!"

var str1 = 'Hello';                    
var str2 = `${str1} world!`;           // str1 = 'Hello', str2 = 'Hello world!"
                                       // note backticks `

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Source: Grepper

Tags: concatenation co

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Contributed on Aug 02 2023

YEGdad

0 Answers Avg Quality 2/10

string concat javascript

Comment

//This method adds two or more strings and returns a new single string.

let str1 = new String( "This is string one" ); 
let str2 = new String( "This is string two" ); 
let str3 = str1.concat(str2.toString());
console.log("str1 + str2 : "+str3)

output:
str1 + str2 : This is string oneThis is string two

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Source: developer.mozilla.org

Tags: concat co

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Contributed on Nov 23 2020

Creepy Gábor

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js concat string

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const str1 = 'Hello';
const str2 = 'World';

console.log(str1.concat(' ', str2));
// expected output: "Hello World"

console.log(str2.concat(', ', str1));
// expected output: "World, Hello"

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Source: developer.mozilla.org

Tags: concat co

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Contributed on Oct 07 2020

Tired Toucan

0 Answers Avg Quality 2/10

how to concatenate a string in javascript

Comment

let first_string = 'I am a programmer, ';
let second_string = 'I am indisposable.';
let what_i_said  = first_string + second_string;
console.log(what_i_said);

/* OR 
*/

let tell_my_boss = first_string.concat(second_string);
console.log(tell_my_boss);

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Tags: javascript j

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Contributed on Jun 04 2021

mathiasgodwin

0 Answers Avg Quality 2/10

js concatenate strings

Comment

const str1 = 'Hello';
const str2 = 'World';

console.log(str1 + str2);
>> HelloWorld

console.log(str1 + ' ' + str2);
>> Hello World

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Source: developer.mozilla.org

Tags: javascript j

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Contributed on Oct 22 2020

Ariel Ferdman

0 Answers Avg Quality 2/10

how to concateate the string in js

Comment

var fruit="";
if(true){fruit +="Apple";;}
if(true){fruit +=" + Orange";}
if(true){fruit +=" + Banana";}
if(false){fruit +=" + Mango";}
console.log(fruit);
// Output: Apple + Orange + Banana

Popularity 9/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Jan 30 2023

50 Hours A Day Coder

0 Answers Avg Quality 2/10

javascript concatenation

Comment

// the fastest way to string concat in cycle when number of string is less than 1e6
// see https://medium.com/@devchache/the-performance-of-javascript-string-concat-e52466ca2b3a
// see https://www.javaer101.com/en/article/2631962.html
function concat(arr) {
    let str = '';
    for (let i = 0; i < arr.length; i++) {
        str += arr[i];
    }

    return str;
}

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Source: Grepper

Tags: concatenation co

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Contributed on Apr 21 2021

Plain Petrel

0 Answers Avg Quality 2/10

string javascript concatenation

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